Home / 84,428.10-116,510.13-50,451.30

Finding the Fourth Proportional to 84,428.10, 116,510.13 and 50,451.30

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Solution

The fourth proportional to 84,428.10, 116,510.13 and 50,451.30 is: 69,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,428.10 : 116,510.13 = 50,451.30 : x
  2. Step 2: Convert to fraction form
    84,428.10/116,510.13 = 50,451.30/x
  3. Step 3: Cross multiply
    84,428.10x = 116,510.13 × 50,451.30
  4. Step 4: Simplify right side
    84,428.10x = 5,878,087,521.67
  5. Step 5: Solve for x
    x = 5,878,087,521.67/84,428.10
  6. Step 6: Final answer
    x = 69,622.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.